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Finding the Fourth Proportional to 43,260.68, 64,891.02 and 16,977.80

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Solution

The fourth proportional to 43,260.68, 64,891.02 and 16,977.80 is: 25,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.68 : 64,891.02 = 16,977.80 : x
  2. Step 2: Convert to fraction form
    43,260.68/64,891.02 = 16,977.80/x
  3. Step 3: Cross multiply
    43,260.68x = 64,891.02 × 16,977.80
  4. Step 4: Simplify right side
    43,260.68x = 1,101,706,759.36
  5. Step 5: Solve for x
    x = 1,101,706,759.36/43,260.68
  6. Step 6: Final answer
    x = 25,466.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.